Function zCameraConversUpdate

src/SB/Game/zCamera.cpp:206–244

}

static void zCameraConversUpdate(xCamera* cam, F32 dt)
{
    if (zcam_dest == NULL)
    {
        return;
    }

    if (zcam_tmr <= 0.0f)
    {
        zcam_tmr = 0.0f;
        return;
    }

    if ((dt / zcam_tmr) > 1.0f)
    {
        cam->mat.right = zcam_dest->right;
        cam->mat.up = zcam_dest->up;
        cam->mat.at = zcam_dest->at;
        cam->mat.pos = zcam_dest->pos;

        zcam_fovcurr = zcam_fovdest;
    }
    else
    {
        F32 ease1 = EaseInOut(1.0f - (zcam_tmr / zcam_ttm));
        F32 ease2 = EaseInOut(1.0f - (zcam_tmr - dt) / zcam_ttm);
        F32 t = (ease2 - ease1) / (1.0f - ease1);

        xQuat tOld;
        xQuat tNew;
        xQuatFromMat(&tOld, &cam->mat);
        xQuatSlerp(&tNew, &tOld, &zcam_quat, t);
        xQuatToMat(&tNew, &cam->mat);
        xVec3Lerp(&cam->mat.pos, &cam->mat.pos, &zcam_dest->pos, t);
        zcam_fovcurr = zcam_fovcurr * (1.0f - t) + (zcam_fovdest * t);
    }

    zcam_tmr = zcam_tmr - dt;
}

static F32 TranSpeed(zFlyKey keys[])
{